This is the new BMW 4 series Gran Coupe – a new, four-door coupe offering that lines up as a petrol and diesel powered alternative for the new all-electric i4, and as BMW’s latest rival for the Audi A5 Sportback. On sale in the UK this November, prices will start from £40,465, rising to £54,670 for the range topping M440i xDrive Gran Coupe variant. 
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Like the standard BMW 4 series Coupe, the four-door Gran Coupe shares its platform with the 3 Series. However, in terms of aerodynamics, body rigidity and chassis technology, the 4 series Gran Coupe is claimed to usurp the 3 Series, borrowing the wider tracks of the Coupe and much of its chassis technology.

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At the front, the imposing vertical kidney grilles are joined by a new bumper that features subtle differences to the coupe. The vertical intakes on either corner are still present, but the air intake beside it has been re-shaped. The Gran Coupe lacks the lower air dam of the Coupe, too. LED headlights and daytime running lights are fitted as standard, although an upgraded setup using BMW’s Laserlight technology is available as an optional extra.
The 4 series Gran Coupe doesn’t quite share its profile with the stylish 8 series Gran Coupe, but still features a rakish roofline that tapers down to a small spoiler on the boot lid. The car’s rear is completely different to both the 3 series and 4 series coupe, too with a new bumper design, different diffuser, fresh dual-exit exhaust tips and reshaped tail lights.
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Against the tape measure, it sizes up at 4,783mm long, 1,852mm wide, and stands at 1,442mm in height at its tallest point. The wheelbase is ever so longer than that of a 3 series too, while BMW has increased the boot space compared with the last model – it’s up by 39 litres to 470 litres. 
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